Which of the following is a way that human modification of limiting factors causes unbalance in ecosystems?

a. habitat loss

b. pollution

c. climate changes

d. all of the above

Ecosystem are all the living organisms and non-living organisms in a certain location. This includes all the processes involve in that area which maintains the balance of life. When the processes involved are modified in any case this will result to unbalance in the ecosystem. From the choices given, the factors that will cause this is D or all of the above. Habitat loss, pollution and climate change will certainly affect the balance in a ecosystem.